diff --git a/drivers/net/netdevsim/bpf.c b/drivers/net/netdevsim/bpf.c
index 8e4398a50903..078d2c37a6c1 100644
--- a/drivers/net/netdevsim/bpf.c
+++ b/drivers/net/netdevsim/bpf.c
@@ -197,7 +197,7 @@ static int nsim_xdp_set_prog(struct netdevsim *ns, struct netdev_bpf *bpf)
 	return 0;
 }
 
-int nsim_bpf_create_prog(struct netdevsim *ns, struct bpf_prog *prog)
+static int nsim_bpf_create_prog(struct netdevsim *ns, struct bpf_prog *prog)
 {
 	struct nsim_bpf_bound_prog *state;
 	char name[16];
@@ -232,7 +232,7 @@ int nsim_bpf_create_prog(struct netdevsim *ns, struct bpf_prog *prog)
 	return 0;
 }
 
-void nsim_bpf_destroy_prog(struct bpf_prog *prog)
+static void nsim_bpf_destroy_prog(struct bpf_prog *prog)
 {
 	struct nsim_bpf_bound_prog *state;